CN203396435U - Fuel gas metering device based on image recognition - Google Patents

Fuel gas metering device based on image recognition Download PDF

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Publication number
CN203396435U
CN203396435U CN201320548273.0U CN201320548273U CN203396435U CN 203396435 U CN203396435 U CN 203396435U CN 201320548273 U CN201320548273 U CN 201320548273U CN 203396435 U CN203396435 U CN 203396435U
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China
Prior art keywords
gas metering
circuit
combustible gas
image
image processing
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Expired - Lifetime
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CN201320548273.0U
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Chinese (zh)
Inventor
刘勋
赵勇
雷新民
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Chengdu Qianjia Technology Co Ltd
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Chengdu Qianjia Technology Co Ltd
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Priority to CN201320548273.0U priority Critical patent/CN203396435U/en
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Abstract

The utility model relates to the field of fuel gas metering devices. A fuel gas metering device based on image recognition comprises a fuel gas metering device body, and an image collector arranged on the fuel gas metering device body, wherein a circuit board is arranged in the fuel gas metering device body, a communication circuit and an image processing circuit are arranged in the circuit board, the image collector is connected with the image processing circuit, and the image processing circuit is connected with the communication circuit. The fuel gas metering device disclosed by the utility model is provided with the image processing circuit, and the image processing circuit can be used for analyzing and processing a character wheel picture captured by the image collector, recognizing each character in the character wheel picture and transmitting recognized character data to a monitoring terminal of a gas company, so that the capacity of the transmitted data is greatly reduced, the communication burden is alleviated, and the communication rate and quality are guaranteed.

Description

Combustible gas metering arrangement based on image recognition
Technical field
The utility model relates to combustible gas metering arrangement technical field, particularly a kind of combustible gas metering arrangement based on image recognition.
Background technology
Rock gas be clean, high efficient energy sources, therefore increasing town dweller uses rock gas.The combustible gas metering arrangement such as gas meter, flow meter or flowmeter is the equipment for metering user combustion gas use amount.Traditional meter reading method is that staff manually reads the reading in gas meter, flow meter in user family, wastes time and energy.Along with the development of electronic technology, be more at present to adopt automatic data logging mode to obtain user's gas consumption.For example, adopt step-by-step counting to obtain gas consumption value, but if there is the situation of pulse missing, the character wheel reading value recording in the gas consumption value of obtaining by step-by-step counting so and gas meter, flow meter there are differences, i.e. step-by-step counting can not accurate response user's gas actual amount.Adopt photo-electronic directly reading counting can avoid counting inaccurate problem, but adopt photo-electronic directly reading counting to need to transform and reinstall the character wheel of gas meter, flow meter, mounting process requires high, and need to re-start demarcation, increase operational sequence, and expense is higher.Method based on image recognition is carried out reading, increases by one for gathering a character wheel image image acquisition device.The combustible gas metering arrangement based on image recognition using at present, image acquisition device gathers the monitor terminal that transfers to gas company after character wheel image by communication mode, at monitor terminal, carries out graphical analysis, identifies the reading of character wheel.Because view data is larger, after collection character wheel image, directly transmission, to communication bandwidth is had relatively high expectations, has increased communications burden, when particularly more view data is transmitted simultaneously, affects communication quality.
Utility model content
The purpose of this utility model is: the heavier problem of communications burden that the direct transmit image data existing for prior art causes, a kind of combustible gas metering arrangement based on image recognition is provided, by character wheel image first being processed to the mode of rear transmission, alleviate communications burden, guarantee data normal transmission.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of combustible gas metering arrangement based on image recognition, comprise combustible gas metering arrangement body and be arranged at the image acquisition device on combustible gas metering arrangement body, in described combustible gas metering arrangement body, be provided with circuit board, in described circuit board, be provided with telecommunication circuit, in circuit board, be also provided with image processing circuit, described image acquisition device is connected with image processing circuit, and image processing circuit is connected with telecommunication circuit.
In circuit board, be provided with image processing circuit, image acquisition device gathers after character wheel image, first through image processing circuit, view data is treated to character data, and character data transfers to the monitor terminal of gas company again by telecommunication circuit.After view data is treated to character data, transmit again, greatly reduce the size of the data of transmission, alleviated communications burden, ensured communication efficiency and quality.
Preferably, in the above-mentioned combustible gas metering arrangement based on image recognition, in described circuit board, be also provided with leakage alarm circuit, described leakage alarm circuit comprises pressure transducer and audible-visual annunciator, and described pressure transducer is all connected with the microprocessor in circuit board with audible-visual annunciator.Leakage alarm circuit is set, and the gas pressure change detecting according to pressure transducer has judged whether gas leakage, if gas leakage detected, by audible-visual annunciator, sends alerting signal.Further preferred, in described circuit board, be also provided with GSM/GPRS circuit.GSM/GPRS circuit is set, and when gas leakage having been detected, when audible-visual annunciator sends alerting signal, also by GSM/GPRS circuit, the mobile phone terminal to user sends SMS message, and informs that in time user has the information of gas leakage.
Further preferred, in the above-mentioned combustible gas metering arrangement based on image recognition, described image processing circuit comprises temperature sensor.Temperature sensor and pressure transducer are used in conjunction with, and can realize operating mode flow to the conversion of mark condition flow according to the temperature and pressure parameter gathering, and make gas metering not be subject to the impact of temperature and pressure, the accuracy that further improves gas metering.
Preferably, in the above-mentioned combustible gas metering arrangement based on image recognition, be also provided with vibration monitoring circuit in described circuit board, described vibration monitoring circuit comprises the vibration transducer being connected with microprocessor.Vibration monitoring circuit is set, and for detection of the shake intensity of combustible gas metering arrangement, when shake intensity reaches setting value, microprocessor by-pass valve control is closed, and the judder while avoiding earthquake threatens uses gas safety.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: the combustible gas metering arrangement of the utility model based on image recognition is provided with image acquisition device and image processing circuit, image acquisition device is for absorbing the character wheel picture of combustible gas metering arrangement, image processing circuit is analyzed character wheel picture, identify each character in character wheel picture, then the character data identifying is transferred to the monitor terminal of gas company, greatly reduce the size of the data of transmission, alleviate communications burden, ensured traffic rate and quality.
Accompanying drawing explanation
Fig. 1 is the structure composition frame chart of circuit board in the utility model combustible gas metering arrangement.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to figure 1, a kind of combustible gas metering arrangement based on image recognition that the utility model provides, comprises combustible gas metering arrangement body and image acquisition device, and image acquisition device is arranged on combustible gas metering arrangement body.In described combustible gas metering arrangement body, be provided with the parts such as character wheel, liquid crystal display, control panel, circuit board, in circuit board, be furnished with the circuit such as feed circuit, air valve control circuit, telecommunication circuit, in circuit board, be also provided with image processing circuit, image acquisition device is connected with image processing circuit, and image processing circuit is connected with telecommunication circuit.Image processing circuit comprises dsp processor, FPGA and necessary peripheral circuit, the character wheel image gathering is processed, by picture signal carry out denoising, cut apart, the processing such as feature extraction, coding, picture signal is treated to digital signal, and then by telecommunication circuit, transfers to the monitor terminal of gas company.Telecommunication circuit can be for realizing the circuit of wire communication, or realize the circuit of radio communication, is provided with accordingly communication interface on combustible gas metering arrangement body.The transmission of digital signal is low more than the required bandwidth of image signal transmission, and transfer rate is faster, in the time of can avoiding a plurality of combustible gas metering arrangements to send view data, cause simultaneously block up, the problem such as speed is low.
As preferred embodiment, in described circuit board, be also provided with leakage alarm circuit and GSM/GPRS circuit, leakage alarm circuit comprises pressure transducer and audible-visual annunciator, described pressure transducer is all connected with the microprocessor in circuit board with audible-visual annunciator.Pressure transducer is for detection of gas pressure change, thereby judged whether gas leakage, if gas leakage detected, by audible-visual annunciator, send alerting signal, simultaneously, mobile phone terminal by from GSM/GPRS circuit to user sends SMS message, and informs that in time user has the information of gas leakage.Rock gas is compressible gas, under different temperature and pressures, (is commonly called as operating mode, situation during real work), and the gas of same amount has different volumes, and then the gas consumption drawing is also different.Only have (being commonly called as mark condition, is a standard atmospheric pressure in China, 101.325Kpa, 20 degrees Celsius, same benchmark namely) under the situation of the flow rate conversion to drawing under an operating mode standard, could improve the accuracy of metering.As preferred embodiment, in described image processing circuit, be provided with temperature sensor.Temperature sensor and pressure transducer are used in conjunction with, and according to the temperature and pressure parameter of Real-time Collection, realize operating mode flow to the conversion of mark condition flow, make gas metering not be subject to the impact of temperature and pressure, the accuracy that further improves gas metering.As comparatively preferred embodiment, in described circuit board, be also provided with vibration monitoring circuit, vibration monitoring circuit comprises the vibration transducer being connected with microprocessor.Vibration transducer, for detection of the shake intensity of combustible gas metering arrangement, when shake intensity reaches setting value, cuts out by air valve control circuit by-pass valve control, and the judder while avoiding earthquake threatens uses gas safety.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. the combustible gas metering arrangement based on image recognition, comprise combustible gas metering arrangement body and be arranged at the image acquisition device on combustible gas metering arrangement body, in described combustible gas metering arrangement body, be provided with circuit board, in described circuit board, be provided with telecommunication circuit, it is characterized in that, in described circuit board, be also provided with image processing circuit, described image acquisition device is connected with image processing circuit, and described image processing circuit is connected with telecommunication circuit.
2. the combustible gas metering arrangement based on image recognition according to claim 1, it is characterized in that, in described circuit board, be also provided with leakage alarm circuit, described leakage alarm circuit comprises pressure transducer and audible-visual annunciator, and described pressure transducer is all connected with the microprocessor in circuit board with audible-visual annunciator.
3. the combustible gas metering arrangement based on image recognition according to claim 2, is characterized in that, is also provided with GSM/GPRS circuit in described circuit board.
4. the combustible gas metering arrangement based on image recognition according to claim 2, is characterized in that, described image processing circuit comprises temperature sensor.
5. according to the combustible gas metering arrangement based on image recognition one of claim 1 to 4 Suo Shu, it is characterized in that, in described circuit board, be also provided with vibration monitoring circuit, described vibration monitoring circuit comprises the vibration transducer being connected with microprocessor.
CN201320548273.0U 2013-09-04 2013-09-04 Fuel gas metering device based on image recognition Expired - Lifetime CN203396435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320548273.0U CN203396435U (en) 2013-09-04 2013-09-04 Fuel gas metering device based on image recognition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320548273.0U CN203396435U (en) 2013-09-04 2013-09-04 Fuel gas metering device based on image recognition

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CN203396435U true CN203396435U (en) 2014-01-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103852744A (en) * 2014-03-03 2014-06-11 南方电网科学研究院有限责任公司 Distributed online monitoring system and method for electric energy metering device
CN109285333A (en) * 2018-09-05 2019-01-29 江苏爱尔数字科技有限公司 A kind of multidimensional data independence wireless acquisition terminal based on Internet of Things
CN113516110A (en) * 2021-09-13 2021-10-19 成都千嘉科技有限公司 Gas meter character wheel coordinate extraction method based on image segmentation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103852744A (en) * 2014-03-03 2014-06-11 南方电网科学研究院有限责任公司 Distributed online monitoring system and method for electric energy metering device
CN109285333A (en) * 2018-09-05 2019-01-29 江苏爱尔数字科技有限公司 A kind of multidimensional data independence wireless acquisition terminal based on Internet of Things
CN113516110A (en) * 2021-09-13 2021-10-19 成都千嘉科技有限公司 Gas meter character wheel coordinate extraction method based on image segmentation
CN113516110B (en) * 2021-09-13 2021-12-21 成都千嘉科技有限公司 Gas meter character wheel coordinate extraction method based on image segmentation

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C14 Grant of patent or utility model
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CP01 Change in the name or title of a patent holder

Address after: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211

Patentee after: Chengdu Qianjia Technology Co.,Ltd.

Address before: No. 536, Section 1, airport 1st Road, Shuangliu Southwest Airport, Chengdu, Sichuan 610211

Patentee before: Chengdu Qianjia Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder
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Granted publication date: 20140115

CX01 Expiry of patent term